[Add] ConnectDialog supports field value save and load

vnpy/gateway/futu/futu_gateway.py

@@ -92,11 +92,13 @@ class FutuGateway(BaseGateway):
     """"""
 
     default_setting = {
-        "password": "123123",
+        "password": "",
-        "market": "HK",
-        "env": "REAL",
         "host": "127.0.0.1",
-        "port": 11111
+        "port": 11111,
+        "market": ["HK",
+                   "US"],
+        "env": [TrdEnv.REAL,
+                TrdEnv.SIMULATE]
     }
 
     def __init__(self, event_engine):
@@ -257,7 +259,7 @@ class FutuGateway(BaseGateway):
 
         futu_symbol = convert_symbol_vt2futu(req.symbol, req.exchange)
         code, data = self.trade_ctx.place_order(
-            eq.price,
+            req.price,
             req.volume,
             futu_symbol,
             side,
@@ -395,7 +397,7 @@ class FutuGateway(BaseGateway):
             tick = TickData(
                 symbol=symbol,
                 exchange=exchange,
-                datatime=datetime.now(),
+                datetime=datetime.now(),
                 gateway_name=self.gateway_name
             )
             self.ticks[code] = tick
@@ -439,10 +441,10 @@ class FutuGateway(BaseGateway):
             ask_data = data["Ask"][i]
             n = i + 1
 
-            d["bid_price%s" % n] = bidData[0]
+            d["bid_price%s" % n] = bid_data[0]
-            d["bid_volume%s" % n] = bidData[1]
+            d["bid_volume%s" % n] = bid_data[1]
-            d["ask_price%s" % n] = askData[0]
+            d["ask_price%s" % n] = ask_data[0]
-            d["ask_volume%s" % n] = askData[1]
+            d["ask_volume%s" % n] = ask_data[1]
 
         if tick.datetime:
             self.on_tick(copy(tick))

vnpy/trader/ui/widget.py

@@ -18,6 +18,7 @@ from ..engine import MainEngine
 from ..event import (EVENT_TICK, EVENT_ORDER, EVENT_TRADE, EVENT_ACCOUNT,
                      EVENT_POSITION, EVENT_CONTRACT, EVENT_LOG)
 from ..object import SubscribeRequest, OrderRequest, CancelRequest
+from ..utility import load_setting, save_setting
 
 COLOR_LONG = QtGui.QColor("red")
 COLOR_SHORT = QtGui.QColor("green")
@@ -620,8 +621,9 @@ class ConnectDialog(QtWidgets.QDialog):
 
         self.main_engine = main_engine
         self.gateway_name = gateway_name
+        self.file_name = f"Connect{gateway_name}.vt"
 
-        self.line_edits = {}
+        self.widgets = {}
 
         self.init_ui()
     
@@ -629,16 +631,35 @@ class ConnectDialog(QtWidgets.QDialog):
         """"""
         self.setWindowTitle(f"连接{self.gateway_name}")
 
-        form = QtWidgets.QFormLayout()
+        # Default setting provides field name, field data type and field default value.
         default_setting = self.main_engine.get_default_setting(self.gateway_name)
 
-        # Initialize line edits and form layout based on default setting.
+        # Saved setting provides field data used last time.
+        loaded_setting = load_setting(self.file_name)
+        
+        # Initialize line edits and form layout based on setting.
+        form = QtWidgets.QFormLayout()
+
         for field_name, field_value in default_setting.items():
             field_type = type(field_value)
-            line_edit = QtWidgets.QLineEdit(str(field_value))
 
-            form.addRow(f"{field_name} <{field_type.__name__}>", line_edit)
+            if field_type == list:
-            self.line_edits[field_name] = (line_edit, field_type)
+                widget = QtWidgets.QComboBox()
+                widget.addItems(field_value)
+
+                if field_name in loaded_setting:
+                    saved_value = loaded_setting[field_name]
+                    ix = widget.findText(saved_value)
+                    widget.setCurrentIndex(ix)
+            else:
+                widget = QtWidgets.QLineEdit(str(field_value))
+
+                if field_name in loaded_setting:
+                    saved_value = loaded_setting[field_name]
+                    widget.setText(str(saved_value))
+
+            form.addRow(f"{field_name} <{field_type.__name__}>", widget)
+            self.widgets[field_name] = (widget, field_type)
 
         button = QtWidgets.QPushButton(u"连接")
         button.clicked.connect(self.connect)
@@ -651,15 +672,22 @@ class ConnectDialog(QtWidgets.QDialog):
         Get setting value from line edits and connect the gateway.
         """
         setting = {}
-        for field_name, tp in self.line_edits.items():
+        for field_name, tp in self.widgets.items():
-            line_edit, field_type = tp
+            widget, field_type = tp
-            field_value = field_type(line_edit.text())
+            if field_type == list:
+                field_value = str(widget.currentText())
+            else:
+                field_value = field_type(widget.text())
             setting[field_name] = field_value
         
         self.main_engine.connect(setting, self.gateway_name)
+        
+        save_setting(self.file_name, setting)
+
         self.accept()
     
 
+
 class TradingWidget(QtWidgets.QWidget):
     """
     General manual trading widget.

vnpy/trader/utility.py

@@ -2,6 +2,7 @@
 General utility functions.
 """
 
+import shelve
 from pathlib import Path
 
 from .constant import (STATUS_NOTTRADED, STATUS_PARTTRADED, STATUS_SUBMITTING)
@@ -47,3 +48,25 @@ def get_icon_path(file_path: str, ico_name: str):
     ui_path = Path(file_path).parent
     icon_path = ui_path.joinpath("ico", ico_name)
     return str(icon_path)
+
+
+def load_setting(file_name: str):
+    """
+    Load setting from shelve file in temp path.
+    """
+    file_path = get_temp_path(file_name)
+    f = shelve.open(str(file_path))
+    setting = dict(f)
+    f.close()
+    return setting
+
+
+def save_setting(file_name: str, setting: dict):
+    """
+    Save setting into shelve file in temp path.
+    """
+    file_path = get_temp_path(file_name)
+    f = shelve.open(str(file_path))
+    for k, v in setting.items():
+        f[k] = v
+    f.close()